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[MW:35049] Waspaloy weld macrostructure etchant

By Materials & Welding

Dear all, 
 
I would like to ask you if you have any information on which etchant would be best to get the macrostructure of the weld metal deposit of Waspaloy (material spec attached).
 
We have already etched with Carapella (pic attached) but the result does not give us the information we need to see the weld runs (multi-layer weld).
 
Thanks in advance

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